unused_import.md

Pattern: Unused import

Issue: -

Description

All imported modules should be required to make the file compile.

Examples of correct code:

import Dispatch
dispatchMain()


@testable import Dispatch
dispatchMain()


import Foundation
@objc
class A {}

Examples of incorrect code:

↓import Dispatch
struct A {
    static func dispatchMain() {}
}
A.dispatchMain()


↓import Foundation
dispatchMain()


↓import Foundation
// @objc
class A {}

Further Reading

• SwiftLint - Unused Import